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HAINAN LITREE PURIFYING TECHNOLOGY CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    199,830
About

HAINAN LITREE PURIFYING TECHNOLOGY CO LTD has a total of 12 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and chemical engineering are JAPAN SEWAGE WORKS AGENCY, SICHUAN RENESOLA SILICON MAT and JOHNSON CONSTRUCTION CO AB.

Patent filings in countries

World map showing HAINAN LITREE PURIFYING TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing HAINAN LITREE PURIFYING TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Chen Lianggang 10
#2 Chen Qing 9
#3 Chen Man 5
#4 Zhao Bin 3
#5 Wang Nachuan 3
#6 Xiao Ling 3
#7 Lyu Pengfei 3
#8 Chen Chen 2
#9 Zhu Baoku 2
#10 Xu Ya 2

Latest patents

Publication Filing date Title
CN105327621A End component, hollow fiber membrane module and membrane filter unit
CN104959038A Hollow fiber membrane module capable of making membrane silks rinse and stretch in liquid, membrane filtration system and working method of membrane filtration system
CN104826502A Preparation method for high-flux polyvinylidene fluoride ultrafiltration membrane
CN104084049A Modularized pulse aeration apparatus, standard aeration system module and filtration system
CN103041717A Yarn fiber reinforced double-layer tubular filtering membrane and method for preparing same
CN102921318A External-pressure type charged hollow fiber nano-filtration membrane and preparation method therefor
CN103803699A Batch-type aerating apparatus
CN103418246A Structural part for preventing breakage of filtering materials and manufacturing method thereof
CN102895882A Immersed hollow fiber membrane module, and filtration apparatus containing same
CN102210979A Positively charged polyvinyl chloride hollow fiber nanofiltration membrane and preparation method thereof
CN102806015A Manufacturing method for hollow fiber membrane assembly
CN101643526A Method for preparing alternating copolymer of maleic anhydride and vinyl acetate